1 15 oz can pork and beans, undrained
1 15 oz can black beans, drained
1 15 oz can great Northern beans, drained
1 medium onion, peeled and sliced very thin
1 jar chili sauce
Stir beans together and place into a 1 1/2 or 2 quart baking dish which has been sprayed with cooking oil spray. Spread onions evenly over top of beans. Spread chili sauce over onions. DO NOT STIR. Bake in a 350 deg oven about 45 to 50 minutes or until very brown and very thick. Good hot or cold.